The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 29, 2021
Filed:
Jan. 22, 2019
Kenichi Hayakawa, Kanagawa, JP;
Kentaroh Hagita, Miyagi, JP;
Naoto Jikutani, Miyagi, JP;
Toshiyuki Ikeoh, Miyagi, JP;
Kenichi Hayakawa, Kanagawa, JP;
Kentaroh Hagita, Miyagi, JP;
Naoto Jikutani, Miyagi, JP;
Toshiyuki Ikeoh, Miyagi, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An ignition device configured to ignite a fuel included in an air-fuel mixture supplied to a main combustion chamber of an internal combustion engine. The ignition device includes a partition member that forms a precombustion chamber that encloses an ignition point of a fuel. The partition member has a plurality of communicating holes communicating between the main combustion chamber and the precombustion chamber. The ignition device further includes a first interference member that protrudes inward from an inner surface of the partition member.